<template>
  <div>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>
    <!-- 卡片视图区域 -->
    <el-card>
      <!-- 搜索和添加区域 -->
       <div style="margin-top: 15px;">
          <el-row :gutter="20">
            <el-col :span="8">
              <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
              </el-input>
            </el-col>
            <el-col :span="4">
              <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
            </el-col>
          </el-row>
        </div>
        <!-- 用户列表区域 -->
        <el-table :data="userList" border stripe>
          <el-table-column label="#" type="index"></el-table-column>
          <el-table-column label="姓名" prop="username"></el-table-column>
          <el-table-column label="邮箱" prop="email"></el-table-column>
          <el-table-column label="电话" prop="mobile"></el-table-column>
          <el-table-column label="角色" prop="role_name"></el-table-column>
          <el-table-column label="状态" prop="mg_state">
            <template slot-scope="scope">
              <el-switch v-model="scope.row.mg_state" @change="userStateChange(scope.row)">
              </el-switch>
            </template>
          </el-table-column>
          <el-table-column label="操作" width="180px">
            <template slot-scope="scope">
              <!-- 修改按钮 -->
              <el-button type="primary" icon="el-icon-edit" size="mini" @click="showDialog(scope.row.id)"></el-button>
              <!-- 删除按钮 -->
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeGoodsById(scope.row.id)"></el-button>
              <!-- 分配角色按钮 -->
              <!-- <el-button type="warning" icon="el-icon-setting" size="mini"></el-button> -->
              <el-tooltip effect="dark" content="角色分配" placement="top">
                <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
              </el-tooltip>
            </template>
          </el-table-column>
        </el-table>
        <!-- 分页区域 -->
        <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum"
          :page-sizes="[1, 2, 5, 10]"
          :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total">
        </el-pagination>
    </el-card>

    <!-- 添加用户对话框 -->
    <el-dialog
      title="添加用户"
      :visible.sync="addDialogVisible"
      width="50%"
      @close="addDialogClose">
      <!-- 内容主体区域 -->
      <el-form
      :model="addForm"
      :rules="addFormRules"
      ref="addFormRef"
      label-width="70px">
        <el-form-item label="用户名" prop="username">
          <el-input v-model="addForm.username"></el-input>
        </el-form-item>
        <el-form-item label="密码" prop="password">
          <el-input v-model="addForm.password"></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="addForm.email"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
          <el-input v-model="addForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 修改用户对话框 -->
    <el-dialog
      title="修改用户信息"
      :visible.sync="updateDialogVisible"
      width="50%"
      @close="updateDialogClose">
      <!-- 内容主体区域 -->
      <el-form
      :model="updateForm"
      :rules="updateFormRules"
      ref="updateFormRef"
      label-width="70px">
        <el-form-item label="用户名">
          <el-input v-model="updateForm.username" disabled></el-input>
        </el-form-item>
        <el-form-item label="邮箱" prop="email">
          <el-input v-model="updateForm.email"></el-input>
        </el-form-item>
        <el-form-item label="电话" prop="mobile">
          <el-input v-model="updateForm.mobile"></el-input>
        </el-form-item>
      </el-form>
      <!-- 底部区域 -->
      <span slot="footer" class="dialog-footer">
        <el-button @click="updateDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="updateUser">确 定</el-button>
      </span>
    </el-dialog>
    <!-- 分配角色的对话框 -->
    <el-dialog
      title="提示"
      :visible.sync="setRoleDialogVisible"
      width="50%"
      @close="setRoleDialogClosed">
      <div>
        <p>当前的用户：{{userInfo.username}}</p>
        <p>当前的角色：{{userInfo.role_name}}</p>
        <p>分配的角色：
          <el-select v-model="selectedRoleId" placeholder="请选择">
            <el-option
              v-for="item in rolesList"
              :key="item.id"
              :label="item.roleName"
              :value="item.id">
            </el-option>
          </el-select></p>

      </div>
      <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="setUser">确 定</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
export default {
  created () {
    this.getUserList()
  },
  data () {
    // 验证邮箱规则
    var checkEmail = (rule, value, calllback) => {
      const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
      if (regEmail.test(value)) {
        // 合法邮箱
        return calllback()
      }
      calllback(new Error('请输入合法的邮箱'))
    }
    // 验证手机规则
    var checkMobile = (rule, value, calllback) => {
      const regMobile = /^(0|86|17951)?(13[0-9]|15[0123456789]|17[678]|18[0-9]|14[57])[0-9]{8}$/
      if (regMobile.test(value)) {
        return calllback()
      }
      calllback(new Error('请输入合法的手机号'))
    }
    return {
      queryInfo: {
        query: '',
        // 当前的页数
        pagenum: 1,
        pagesize: 2
      },
      userList: [],
      // 已选中角色的id值
      selectedRoleId: '',
      total: 0,
      // 控制对话框的显示和隐藏
      addDialogVisible: false,
      // 控制修改对话框的显示和隐藏
      updateDialogVisible: false,
      // 控制分配角色对话框的显示和隐藏
      setRoleDialogVisible: false,
      // 需要被分配角色的用户信息
      userInfo: [],
      // 所有角色的数据列表
      rolesList: [],
      // 添加用户表单数据
      addForm: {
        username: '',
        password: '',
        email: '',
        mobile: ''
      },
      // 查询用户信息对象
      updateForm: {
      },
      // 添加表单的验证规则对象
      addFormRules: {
        username: [
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { min: 3, max: 10, message: '用户名长度在3-10个字符之间', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入用户密码', trigger: 'blur' },
          { min: 6, max: 15, message: '用户名长度在6-15个字符之间', trigger: 'blur' }
        ],
        email: [
          { required: true, message: '请输入用户邮箱 ', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入电话 ', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      },
      // 修改表单的验证规则对象
      updateFormRules: {
        email: [
          { required: true, message: '请输入用户邮箱 ', trigger: 'blur' },
          { validator: checkEmail, trigger: 'blur' }
        ],
        mobile: [
          { required: true, message: '请输入电话 ', trigger: 'blur' },
          { validator: checkMobile, trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    async getUserList () {
      const { data: res } = await this.$http.get('users', { params: this.queryInfo })
      if (res.meta.status !== 200) return this.$message.console.error('获取用户列表失败')
      this.userList = res.data.users
      this.total = res.data.total
      console.log(res)
    },
    // 监听pagesize改变
    handleSizeChange (newSize) {
      this.queryInfo.pagesize = newSize
      this.getUserList()
      console.log(newSize)
    },
    // 监听页码值改变
    handleCurrentChange (newPage) {
      console.log(newPage)
      this.queryInfo.pagenum = newPage
      this.getUserList()
    },
    // 监听用户状态改变
    async userStateChange (userinfo) {
      console.log(userinfo)
      const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
      if (res.meta.status !== 200) {
        userinfo.mg_state = !userinfo.mg_state
        return this.$message.error('更新用户状态失败')
      }
      this.$message.success('用户状态更新成功')
    },
    // 监听添加用户对话框的关闭事件
    addDialogClose () {
      this.$refs.addFormRef.resetFields()
    },
    // 监听修改用户对话框的关闭事件
    updateDialogClose () {
      this.$refs.updateFormRef.resetFields()
    },
    // 点击确定按钮添加新用户
    addUser () {
      this.$refs.addFormRef.validate(async valid => {
        console.log(valid)
        if (!valid) return false
        // 可以发起添加用户的网络请求
        const { data: res } = await this.$http.post('users', this.addForm)
        if (res.meta.status !== 201) {
          this.$message.error('添加用户失败')
        }
        this.$message.success('添加用户成功')
        // 隐藏对话框
        this.addDialogVisible = false
        // 重新获取用户列表数据
        this.getUserList()
      })
    },
    // 修改用户信息
    async showDialog (id) {
      // console.log(id)
      const { data: res } = await this.$http.get('users/' + id)
      if (res.meta.status !== 200) return this.$message.error('查询用户信息失败')
      // this.$message.success('查询用户信息成功')
      this.updateForm = res.data
      this.updateDialogVisible = true
    },
    // 点击确定修改用户信息
    updateUser () {
      this.$refs.updateFormRef.validate(async valid => {
        console.log(valid)
        if (!valid) return false
        // 可以发起修改用户的网络请求
        const { data: res } = await this.$http.put('users/' + this.updateForm.id, this.updateForm)
        if (res.meta.status !== 200) {
          this.$message.error('修改用户信息失败')
        }
        this.$message.success('修改用户信息成功')
        // 隐藏对话框
        this.updateDialogVisible = false
        // 重新获取用户列表数据
        this.getUserList()
      })
    },
    // 根据id删除队形用户数据
    async removeUserById (id) {
      // 弹框询问用户是否删除数据
      const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch((err) => err)
      // console.log(confirmResult)
      if (confirmResult !== 'confirm') {
        return this.$message.info('已经取消了删除')
      }
      const { data: res } = await this.$http.delete('users/' + id)
      if (res.meta.status !== 200) {
        return this.$message.error('删除用户失败!')
      }
      this.$message.success('删除用户成功!')
      this.getUserList()
    },
    // 展示分配角色的对话框
    async setRole (userInfo) {
      this.userInfo = userInfo
      // 在展示对话框之前，获取所有角色的列表
      const { data: res } = await this.$http.get('roles')
      if (res.meta.status !== 200) {
        return this.$message.error('获取角色列表失败')
      }
      this.rolesList = res.data
      this.setRoleDialogVisible = true
    },
    // 点击确定分配角色
    async setUser () {
      if (!this.selectedRoleId) {
        return this.$message.error('请选择要分配的角色！')
      }
      const { data: res } = await this.$http.put(`users/${this.userInfo.id}/role`, { rid: this.selectedRoleId })
      if (res.meta.status !== 200) {
        return this.$message.error('设置用户角色失败！')
      }
      this.$message.success('设置用户角色成功！')
      this.getUserList()
      this.setRoleDialogVisible = false
    },
    // 监听分配角色对话框关闭
    setRoleDialogClosed () {
      this.selectedRoleId = ''
      this.userInfo = {}
    }
  }
}
</script>

<style lang="less" scoped>

</style>
